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A Digital Input detects if a voltage is above/below a specific threshold. If the voltage is higher than some value, the computer will detect the digital input as high/set/1. If the voltage is lower than some value, the computer will detect the digital input as low/clear/0.
Mainly switches is used as a digital input. In the video, it is shown how you can simulate your circuit design using online software. This way, you can save your hardware from getting damaged if connection are wrong on board. Also, you can check your program before uploading it to your hardware.
Learn how you can use the online software ‘Tinkercad’ for testing a circuit. Every step is well guided in the video. You will learn how to connect components, write code, how to simulate program, etc. You will see results as soon as you give input.
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